C2093 Barometer

The door was opened and a few people came out, bewildered.

"Eh? It's Teacher Zhang's room! "

Someone immediately noticed and rushed towards the collapsed door, entered the house, and then drilled out through the hole in the roof. When he reached the roof, he looked around in bewilderment.

"What's going on?" Master Soong's voice came from not too far away. When everyone turned around